Upstream Operations Category Manager
Current
Apr 2019 - Present
AeroLeads people directory · profile
Greg Mattern Email & Phone Number
Upstream Operations Category Manager
at
ExxonMobil
1 work email found
@exxonmobil.com
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 100%
Current company
Role
Upstream Operations Category Manager
Location
Greater Houston, United States
Company size
Who is Greg Mattern? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Greg Mattern is listed as Upstream Operations Category Manager at ExxonMobil, a with 65975 employees, based in Greater Houston, United States. AeroLeads shows a work email signal at exxonmobil.com and a matched LinkedIn profile for Greg Mattern.
Greg Mattern previously worked as Category Manager (Contigent Labor) at Exxonmobil and Category Manager (Drilling Materials) at Exxonmobil. Greg Mattern holds B.S., Industrial Distribution from Texas A&M University.
Company email context
Email format at ExxonMobil
This section adds company-level context without repeating Greg Mattern's masked contact details.
gmattern@exxonmobil.com
79% confidence
AeroLeads found 1 current-domain work email signal for Greg Mattern. Compare company email patterns before reaching out.
Profile bio
About Greg Mattern
Greg Mattern is a Upstream Operations Category Manager at ExxonMobil. He possess expertise in procurement, sap products, oil and gas, change management, project management and 1 more skills.
Listed skills include Procurement, Sap Products, Oil And Gas, Change Management, and 2 others.
Current workplace
Greg Mattern's current company
Company context helps verify the profile and gives searchers a useful next step.
Exxonmobil
5 roles
Greg Mattern work experience
A career timeline built from the work history available for this profile.
Category Manager (Contigent Labor)
Jun 2016 - Mar 2019
Category Manager (Drilling Materials)
Sep 2013 - May 2016
Us Buying Supervisor
Oct 2010 - Aug 2013
Various - Procurement Associate, Sap Change Management Lead, Chemicals & Catalyst Team Lead
Feb 2005 - Sep 2010
Team & coworkers
Colleagues at ExxonMobil
Other employees you can reach at exxonmobil.com. View company contacts for 65975 employees →
KJ
Kim James
Colleague at ExxonmobilMarion, New York, United States
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KB
Kristina Barth
Colleague at ExxonmobilHouston, Texas, United States
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SW
Sam Woods
Colleague at ExxonmobilRomsey, England, United Kingdom
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LC
Lucas Castilho
Colleague at ExxonmobilSão Paulo, Brazil
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HC
Hanne Celis
Colleague at ExxonmobilLommel, Flemish Region, Belgium
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GS
Gurinder Singh
Colleague at ExxonmobilGainesville, Texas, United States
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AC
Alexander Cruz
Colleague at ExxonmobilCuritiba, Paraná, Brazil
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MP
Matthew Plante
Colleague at ExxonmobilGreater Houston, United States
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BL
Ben Langshaw
Colleague at ExxonmobilSale, Victoria, Australia
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AB
April Boyd
Colleague at ExxonmobilBeaumont-Port Arthur Area, United States
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Kim James
Colleague at ExxonmobilMarion, New York, United States
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KB
Kristina Barth
Colleague at ExxonmobilHouston, Texas, United States
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SW
Sam Woods
Colleague at ExxonmobilRomsey, England, United Kingdom
View →
LC
Lucas Castilho
Colleague at ExxonmobilSão Paulo, Brazil
View →
HC
Hanne Celis
Colleague at ExxonmobilLommel, Flemish Region, Belgium
View →
GS
Gurinder Singh
Colleague at ExxonmobilGainesville, Texas, United States
View →
AC
Alexander Cruz
Colleague at ExxonmobilCuritiba, Paraná, Brazil
View →
MP
Matthew Plante
Colleague at ExxonmobilGreater Houston, United States
View →
BL
Ben Langshaw
Colleague at ExxonmobilSale, Victoria, Australia
View →
AB
April Boyd
Colleague at ExxonmobilBeaumont-Port Arthur Area, United States
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1 education record
Greg Mattern education
FAQ
Frequently asked questions about Greg Mattern
Quick answers generated from the profile data available on this page.
What company does Greg Mattern work for?
Greg Mattern works for ExxonMobil.
What is Greg Mattern's role at ExxonMobil?
Greg Mattern is listed as Upstream Operations Category Manager at ExxonMobil.
What is Greg Mattern's email address?
AeroLeads has found 1 work email signal at @exxonmobil.com for Greg Mattern at ExxonMobil.
Where is Greg Mattern based?
Greg Mattern is based in Greater Houston, United States while working with ExxonMobil.
What companies has Greg Mattern worked for?
Greg Mattern has worked for Exxonmobil.
Who are Greg Mattern's colleagues at ExxonMobil?
Greg Mattern's colleagues at ExxonMobil include Kim James, Kristina Barth, Sam Woods, Lucas Castilho, and Hanne Celis.
How can I contact Greg Mattern?
You can use AeroLeads to view verified contact signals for Greg Mattern at ExxonMobil, including work email, phone, and LinkedIn data when available.
What schools did Greg Mattern attend?
Greg Mattern holds B.S., Industrial Distribution from Texas A&M University.
What skills is Greg Mattern known for?
Greg Mattern is listed with skills including Procurement, Sap Products, Oil And Gas, Change Management, Project Management, and Management.
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